using System;
using System.Collections.Generic;
using BestHTTP;
using HarmonyLib;

internal static class RequestRouteLog
{
    private static readonly object Gate = new();
    private static readonly HashSet<string> Seen = new();

        private const int Limit = 300;

    internal static void Apply(Harmony harmony)
    {
        try
        {
            var response = AccessTools.TypeByName("BestHTTP.HTTPResponse");
            if (response == null)
            {
                RadicadeEacBypassPlugin.LogSource.LogWarning("[HttpLog] BestHTTP.HTTPResponse not found - REST routes stay unlogged.");
                return;
            }




            System.Reflection.ConstructorInfo constructor = null;
            foreach (var candidate in AccessTools.GetDeclaredConstructors(response))
            {
                var parameters = candidate.GetParameters();
                if (parameters.Length == 4
                    && parameters[0].ParameterType.Name.Contains("HTTPRequest")
                    && parameters[2].ParameterType.Name == "Boolean"
                    && parameters[3].ParameterType.Name == "Boolean")
                {
                    constructor = candidate;
                    break;
                }
            }

            if (constructor == null)
            {
                RadicadeEacBypassPlugin.LogSource.LogWarning("[HttpLog] HTTPResponse ctor not found - REST routes stay unlogged.");
                return;
            }

            harmony.Patch(constructor, postfix: new HarmonyMethod(typeof(RequestRouteLog), nameof(ResponsePostfix)));
            RadicadeEacBypassPlugin.LogSource.LogInfo("[HttpLog] hooked HTTPResponse(HTTPRequest, Stream) - every REST route and status is logged once");
        }
        catch (Exception ex)
        {
            RadicadeEacBypassPlugin.LogSource.LogWarning($"[HttpLog] could not hook HTTPResponse: {ex.GetType().Name}: {ex.Message}");
        }
    }

    private static void ResponsePostfix(HTTPResponse __instance, HTTPRequest __0)
    {
        try
        {
            var uri = __0?.Uri?.ToString();
            if (string.IsNullOrEmpty(uri)) return;

            if (!HubSocketAuth.IsServer(uri)) return;

            var path = new Uri(uri).AbsolutePath;



            if (NameserverRedirect.IsHubUrl(uri)) return;
            if (path.Contains("/images/", StringComparison.OrdinalIgnoreCase)) return;
            if (path.Contains("/cdn/", StringComparison.OrdinalIgnoreCase)) return;

            int status;
            try { status = __instance.StatusCode; }
            catch { return; }

            var method = "REQ";
            try { method = __0.MethodType.ToString().ToUpperInvariant(); }
            catch { }

            var line = $"{status} {method} {path}";

            lock (Gate)
            {
                if (Seen.Count >= Limit || !Seen.Add(line)) return;
            }

            RadicadeEacBypassPlugin.LogSource.LogInfo($"[HttpLog] {line}");
        }
        catch
        {

        }
    }
}